Morning all.
Does anyone know where i can find Sierra specs for different models or can anyone give me the lowdown on a 1989 1.8 Sierra Sapphire GLX. (S.O.H.C? / gearbox type / diff etc? )

Cheers guys.

Try this (includes technical specs):

http://www.crustworld.co.uk/sierra

or even:

http://forum.fordsierraclub.co.uk

Cheers Captain

its a CVH with a type 9. diff is most likely 3.62, or possibly a 3.92.